flex 数学运算

Jane-wang

于 2012-03-31 15:56:00 发布

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分类专栏： flex 文章标签： flex application encoding function

本文链接：https://blog.youkuaiyun.com/mine_1/article/details/7416109

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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" creationComplete="init()">
<mx:Script>
<![CDATA[
private function init():void{

trace(Math.ceil(10.4)); //11
trace(Math.ceil(10.5)); //11
trace(Math.ceil(-10.4)); //-10
trace(Math.ceil(-10.5)); //-10

trace(Math.floor(300.4)); //300
trace(Math.floor(300.5)); //300
trace(Math.floor(-300.4)); //-301
trace(Math.floor(-300.5)); //-301

trace(Math.round(8000.4)); //8000
trace(Math.round(8000.5)); //8001
trace(Math.round(-8000.4)); //-8000
trace(Math.round(-8000.5)); //-8000
trace(Math.round(-8000.6)); //-8001

trace(new Number(4).toFixed(3)); //4.000
trace(new Number(3.85742).toFixed(3)); //3.857
trace(new Number(3.85752).toFixed(3)); //3.858
trace(new Number(-3.85742).toFixed(3)); //-3.857
trace(new Number(-3.85752).toFixed(3)); //-3.858
}

]]>
</mx:Script>

</mx:Application>